EasyPro™ Sludge Remover Bacteria Blocks Select Product:10 lb Approx -160 blocks cloudy water and keeps it

cloudy water and keeps it clean and clear through natural bacterial action

for both ponds and aquariums

including natural stone

The PondoVac Classic has a 2 year warranty

PLEASE NOTE:  The CFBASIN36 ships freight

EasyPro™ Sludge Remover Bacteria Blocks Select Product:10 lb Approx -160 blocks cloudy water and keeps it1 Oz Blocks Sludge Remover Bacteria blocks are designed to remove organic sludge from the bottom of lakes and ponds. Sludge is the result of fish waste, dead algae or plant material, uneaten fish food, leaves and other debris. When introduced to the water, the blocks sink, dissolve and begin to remove bottom organic sludge often several inches per year. Sludge Remover Blocks are great for spot treating around docks, beaches or partially treating large